<template>
    <div class="app-container">
        <el-form v-show="showSearch" ref="queryForm" :inline="true" :model="queryParams" class="search-form"
                 size="small">
            <el-form-item label="菜单名称" prop="menuName">
                <el-input
                    v-model="queryParams.menuName"
                    clearable
                    placeholder="请输入菜单名称"
                    @keyup.enter.native="handleQuery"
                />
            </el-form-item>
            <el-form-item label="状态" prop="status">
                <el-radio-group v-model="queryParams.status" @change="handleQuery">
                    <el-radio label="">全部</el-radio>
                    <el-radio
                        v-for="dict in dict.type.sys_normal_disable"
                        :key="dict.value"
                        :label="dict.value"
                    >{{ dict.label }}
                    </el-radio>
                </el-radio-group>
            </el-form-item>
            <el-form-item class="search-opr-btns text-end">
                <el-button icon="el-icon-search" size="mini" type="primary" @click="handleQuery">搜索</el-button>
                <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
            </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
                <el-button
                    v-hasPermi="['system:menu:add']"
                    icon="el-icon-plus"
                    plain
                    size="mini"
                    type="primary"
                    @click="handleAdd"
                >新增
                </el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button
                    icon="el-icon-sort"
                    plain
                    size="mini"
                    type="info"
                    @click="toggleExpandAll"
                >展开/折叠
                </el-button>
            </el-col>
            <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <el-table
            v-if="refreshTable"
            v-adaptive
            v-loading="loading"
            :data="menuList"
            :default-expand-all="isExpandAll"
            :stripe='true'
            :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
            border
            height="200px"
            row-key="menuId"
        >
            <el-table-column header-align="center" label="菜单名称" show-overflow-tooltip
                             prop="menuName"></el-table-column>
            <el-table-column align="center" label="图标" prop="icon" width="80">
                <template slot-scope="scope">
                    <svg-icon :icon-class="scope.row.icon"/>
                </template>
            </el-table-column>
            <el-table-column align="center" label="排序" prop="orderNum" width="60"></el-table-column>
            <el-table-column header-align="center" label="权限标识" show-overflow-tooltip
                             prop="perms"></el-table-column>
            <el-table-column header-align="center" label="组件路径" show-overflow-tooltip
                             prop="component"></el-table-column>
            <el-table-column header-align="center" label="状态" prop="status" width="80">
                <template slot-scope="scope">
                    <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status"/>
                </template>
            </el-table-column>
            <el-table-column align="center" label="创建时间" prop="createTime">
                <template slot-scope="scope">
                    <span>{{ parseTime(scope.row.createTime) }}</span>
                </template>
            </el-table-column>
            <el-table-column align="center" class-name="small-padding fixed-width" label="操作">
                <template slot-scope="scope">
                    <el-button
                        v-hasPermi="['system:menu:edit']"
                        icon="el-icon-edit"
                        size="mini"
                        type="text"
                        @click="handleUpdate(scope.row)"
                    >修改
                    </el-button>
                    <el-button
                        v-hasPermi="['system:menu:add']"
                        icon="el-icon-plus"
                        size="mini"
                        type="text"
                        @click="handleAdd(scope.row)"
                    >新增
                    </el-button>
                    <el-button
                        v-hasPermi="['system:menu:remove']"
                        icon="el-icon-delete"
                        size="mini"
                        type="text"
                        @click="handleDelete(scope.row)"
                    >删除
                    </el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 添加或修改菜单对话框 -->
        <el-dialog :close-on-click-modal="false" :title="title" :visible.sync="open" append-to-body width="680px">
            <el-form ref="form" :model="form" :rules="rules" label-width="100px">
                <el-row>
                    <el-col :span="24">
                        <el-form-item label="上级菜单" prop="parentId">
                            <treeselect
                                v-model="form.parentId"
                                :normalizer="normalizer"
                                :options="menuOptions"
                                :show-count="true"
                                placeholder="选择上级菜单"
                            />
                        </el-form-item>
                    </el-col>
                    <el-col :span="24">
                        <el-form-item label="菜单类型" prop="menuType">
                            <el-radio-group v-model="form.menuType">
                                <el-radio label="M">目录</el-radio>
                                <el-radio label="C">菜单</el-radio>
                                <el-radio label="F">按钮</el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                    <el-col v-if="form.menuType != 'F'" :span="24">
                        <el-form-item label="菜单图标" prop="icon">
                            <el-popover
                                placement="bottom-start"
                                trigger="click"
                                width="460"
                                @show="$refs['iconSelect'].reset()"
                            >
                                <IconSelect ref="iconSelect" @selected="selected"/>
                                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                                    <svg-icon
                                        v-if="form.icon"
                                        slot="prefix"
                                        :icon-class="form.icon"
                                        class="el-input__icon"
                                        style="height: 32px;width: 16px"
                                    />
                                    <i v-else slot="prefix" class="el-icon-search el-input__icon"/>
                                </el-input>
                            </el-popover>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="菜单名称" prop="menuName">
                            <el-input v-model="form.menuName" placeholder="请输入菜单名称"/>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="显示排序" prop="orderNum">
                            <el-input-number v-model="form.orderNum" :min="0" controls-position="right"/>
                        </el-form-item>
                    </el-col>
                    <el-col v-if="form.menuType != 'F'" :span="12">
                        <el-form-item prop="isFrame">
              <span slot="label">
                <el-tooltip content="选择是外链则路由地址需要以`http(s)://`开头" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                是否外链
              </span>
                            <el-radio-group v-model="form.isFrame">
                                <el-radio label="0">是</el-radio>
                                <el-radio label="1">否</el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                    <el-col v-if="form.menuType != 'F'" :span="12">
                        <el-form-item prop="path">
              <span slot="label">
                <el-tooltip content="访问的路由地址，如：`user`，如外网地址需内链访问则以`http(s)://`开头" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                路由地址
              </span>
                            <el-input v-model="form.path" placeholder="请输入路由地址"/>
                        </el-form-item>
                    </el-col>
                    <el-col v-if="form.menuType == 'C'" :span="12">
                        <el-form-item prop="component">
              <span slot="label">
                <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                组件路径
              </span>
                            <el-input v-model="form.component" placeholder="请输入组件路径"/>
                        </el-form-item>
                    </el-col>
                    <el-col v-if="form.menuType != 'M'" :span="12">
                        <el-form-item prop="perms">
                            <el-input v-model="form.perms" maxlength="100" placeholder="请输入权限标识"/>
                            <span slot="label">
                <el-tooltip content="控制器中定义的权限字符，如：@SaCheckPermission('system:user:list')" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                权限字符
              </span>
                        </el-form-item>
                    </el-col>
                    <el-col v-if="form.menuType == 'C'" :span="12">
                        <el-form-item prop="queryParam">
                            <el-input v-model="form.queryParam" maxlength="255" placeholder="请输入路由参数"/>
                            <span slot="label">
                <el-tooltip content='访问路由的默认传递参数，如：`{"id": 1, "name": "ry"}`' placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                路由参数
              </span>
                        </el-form-item>
                    </el-col>
                    <el-col v-if="form.menuType == 'C'" :span="12">
                        <el-form-item prop="isCache">
              <span slot="label">
                <el-tooltip content="选择是则会被`keep-alive`缓存，需要匹配组件的`name`和地址保持一致" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                是否缓存
              </span>
                            <el-radio-group v-model="form.isCache">
                                <el-radio label="0">缓存</el-radio>
                                <el-radio label="1">不缓存</el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                    <el-col v-if="form.menuType != 'F'" :span="12">
                        <el-form-item prop="visible">
              <span slot="label">
                <el-tooltip content="选择隐藏则路由将不会出现在侧边栏，但仍然可以访问" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                显示状态
              </span>
                            <el-radio-group v-model="form.visible">
                                <el-radio
                                    v-for="dict in dict.type.sys_show_hide"
                                    :key="dict.value"
                                    :label="dict.value"
                                >{{ dict.label }}
                                </el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                    <el-col v-if="form.menuType != 'F'" :span="12">
                        <el-form-item prop="status">
              <span slot="label">
                <el-tooltip content="选择停用则路由将不会出现在侧边栏，也不能被访问" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                菜单状态
              </span>
                            <el-radio-group v-model="form.status">
                                <el-radio
                                    v-for="dict in dict.type.sys_normal_disable"
                                    :key="dict.value"
                                    :label="dict.value"
                                >{{ dict.label }}
                                </el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                </el-row>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button size="small" type="primary" @click="submitForm">确 定</el-button>
                <el-button size="small" @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import {listMenu, getMenu, delMenu, addMenu, updateMenu} from "@/api/system/menu"
import Treeselect from "@riophae/vue-treeselect"
import "@riophae/vue-treeselect/dist/vue-treeselect.css"
import IconSelect from "@/components/IconSelect"

export default {
    name: "Menu",
    dicts: ['sys_show_hide', 'sys_normal_disable'],
    components: {Treeselect, IconSelect},
    data () {
        return {
            // 遮罩层
            loading: true,
            // 显示搜索条件
            showSearch: true,
            // 菜单表格树数据
            menuList: [],
            // 菜单树选项
            menuOptions: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 是否展开，默认全部折叠
            isExpandAll: false,
            // 重新渲染表格状态
            refreshTable: true,
            // 查询参数
            queryParams: {
                menuName: undefined,
                visible: undefined,
                status: ''
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {
                menuName: [
                    {required: true, message: "菜单名称不能为空", trigger: "blur"}
                ],
                orderNum: [
                    {required: true, message: "菜单顺序不能为空", trigger: "blur"}
                ],
                path: [
                    {required: true, message: "路由地址不能为空", trigger: "blur"}
                ]
            }
        }
    },
    created () {
        this.getList()
    },
    methods: {
        // 选择图标
        selected (name) {
            this.form.icon = name
        },
        /** 查询菜单列表 */
        getList () {
            this.loading = true
            listMenu(this.queryParams).then(response => {
                this.menuList = this.handleTree(response.data, "menuId")
                this.loading = false
            })
        },
        /** 转换菜单数据结构 */
        normalizer (node) {
            if (node.children && !node.children.length) {
                delete node.children
            }
            return {
                id: node.menuId,
                label: node.menuName,
                children: node.children
            }
        },
        /** 查询菜单下拉树结构 */
        getTreeselect () {
            listMenu().then(response => {
                this.menuOptions = []
                const menu = {menuId: 0, menuName: '主类目', children: []}
                menu.children = this.handleTree(response.data, "menuId")
                this.menuOptions.push(menu)
            })
        },
        // 取消按钮
        cancel () {
            this.open = false
            this.reset()
        },
        // 表单重置
        reset () {
            this.form = {
                menuId: undefined,
                parentId: 0,
                menuName: undefined,
                icon: undefined,
                menuType: "M",
                orderNum: undefined,
                isFrame: "1",
                isCache: "0",
                visible: "0",
                status: "0"
            }
            this.resetForm("form")
        },
        /** 搜索按钮操作 */
        handleQuery () {
            this.getList()
        },
        /** 重置按钮操作 */
        resetQuery () {
            this.resetForm("queryForm")
            this.handleQuery()
        },
        /** 新增按钮操作 */
        handleAdd (row) {
            this.reset()
            this.getTreeselect()
            if (row != null && row.menuId) {
                this.form.parentId = row.menuId
            } else {
                this.form.parentId = 0
            }
            this.open = true
            this.title = "添加菜单"
        },
        /** 展开/折叠操作 */
        toggleExpandAll () {
            this.refreshTable = false
            this.isExpandAll = !this.isExpandAll
            this.$nextTick(() => {
                this.refreshTable = true
            })
        },
        /** 修改按钮操作 */
        handleUpdate (row) {
            this.reset()
            this.getTreeselect()
            getMenu(row.menuId).then(response => {
                this.form = response.data
                this.open = true
                this.title = "修改菜单"
            })
        },
        /** 提交按钮 */
        submitForm: function () {
            this.$refs["form"].validate(valid => {
                if (valid) {
                    if (this.form.menuId !== undefined) {
                        updateMenu(this.form).then(response => {
                            this.$modal.msgSuccess("修改成功")
                            this.open = false
                            this.getList()
                        })
                    } else {
                        addMenu(this.form).then(response => {
                            this.$modal.msgSuccess("新增成功")
                            this.open = false
                            this.getList()
                        })
                    }
                }
            })
        },
        /** 删除按钮操作 */
        handleDelete (row) {
            this.$modal.confirm('是否删除选中的数据项？').then(function () {
                return delMenu(row.menuId)
            }).then(() => {
                this.getList()
                this.$modal.msgSuccess('删除成功')
            }).catch(() => {
            })
        }
    }
}
</script>

<style lang="scss" scoped>
.svg-icon {
    fill: #606266
}
</style>
